DTC P2110//P2111 Throttle Actuator Control Module Performance //Throttle Actuator Control System-Stuck Open: General Description

The ETSCM(Electronic Throttle System Control Module) is integrated with PCM(Powertrain Control Module). Therefore, Make sure that location of ETS Module is changed. The ETS(Electronic Throttle System) is the throttle body whose throttle angle is controlled by control module. It consists of ETS-motor, Accelerator Position Sensor(APS), Throttle Position Sensor(TPS) and Limp home valve. After calculating throttle valve target opening value from signals such as APS and other input values, the PCM controls ETS motor to meet the throttle valve target opening value. TPS is mounted on throttle body assembley and detects the opening angle of the throttle valve. The TPS is a variable resistor(potentiometer) whose characteristic is that the resistance changes according to throttle position angle. TPS 1 and TPS 2 signals are used to monitor PCM's throttle valve target opening value's activation. TPSVs output signal is the main signal to calculate the target value for opening throttle valve and to decide whether TPS2 is normal or not. TPS2's output signal is the sub signal to decide whether TPS1 is normal or not. And if TPSVs signal is abnormal, TPS2's output signal is used as the main signal.